Unit Review

When you make a prediction, what type of evidence do you need to have?

• senses

• empirical evidence

• persistant

• I did not study.

Tags

NGSS.MS-LS1-4

Did the experiment correctly use the scientific method for experimentation?

• No, there was not enough bleach to make a difference.

• No, there was no control so there was nothing for comparison.

• Yes, there were trials and a lot of test variables (independent) were tested.

• Yes, there were many trials and all of the plants grew. Meeting their requirement.

Tags

NGSS.MS-PS1-2

I make 3 solar cookers. I paint one red, one black, and one white. I put a thermometer inside each of them and put them outside in the sun. Every 30 minutes I check the temperature. What is the dependent or outcome variable?

• repetition

• box size

• color of boxes

• temperature

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is a hypothesis?

• It is a theory explaining what will happen in an experiment.

• It is a law explaining what will happen.

• It is the first step in the scientific method.

• It is a prediction about what may happen in an experiment

Ms. Gilmore grew a plant in hyper growth soil and recorded the height of the plant as it grew. She hypothesized that plants grow faster in the hyper soil and conducted an investigation to compare the growth of a plant in regular soil versus hyper growth soil. She gave both plants the same amount of water. To enhance the growth of the plant in the hyper soil she added a yellow light. After collecting the growth data, she found that the plant in regular soil grew more than the plant in hyper soil. Why was her hypothesis incorrect? Check all that apply.

• There was no repetition.

• There were too many variables to know why it was incorrect.

• There was no independent variable.

• The light was too bright.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A part of an experiment that does not receive the treatment is called.

• an independent variable

• the control.

• empirical evidence

• the hypothesis

______________________________ is scientific evidence obtained by careful observation and experimentation.

• Empirical evidence

• controlled variable

• hypothesis

• conclusion

Tags

NGSS.MS-PS1-2

A(n) ___________________ is a proposed explanation made on the basis of existing evidence as a starting point for further investigation.

• empirical data

• hypothesis

• conclusion

• experiment

Tags

NGSS.MS-LS1-5

The variable that the scientist changes (the manipulated variable).

• Independent variable

• Dependent variable

• Controlled variable

• Outcome variable

If I am using two toy cars with different masses and I roll them down a ramp to measure how fast they go. What is my outcome variable?

• the mass of cars

• height of ramp

• type of car

• speed of car

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5